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Light earthquake: M4 quake has struck near Burruyacu in Argentina


Earthquake location -26.6478S, -64.3423WA light earthquake magnitude 4 (ml/mb) strikes 43 kilometers (27 miles) from Burruyacu in Argentina on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 16/05/18 / 2018-05-16 01:38:37 / May 16, 2018 @ 1:38 am UTC/GMT. Exact location of event, depth 59.02 km, -64.3423° West, -26.6478° South. The earthquake was roughly at a depth of 59.02 km (37 miles). Unique identifier: us1000e618. Ids that are associated to the event: us1000e618. The 4-magnitude earthquake has occurred at 22:38:37 / 10:38 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Miguel de Tucumán, Alderetes. Close country/countries that might be effected, Argentina (c. 41 343 000 pop). Event epicenter was 90 km (56 miles) from San Miguel de Tucumán (c. 781 000 pop), 81 km (50 miles) from Alderetes (c. 38 500 pop).

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 43 km ESE of Burruyacu, Argentina.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -64.3423° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -26.6478° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 59.02 km Depth of the event in kilometers.
Place 43km ESE of Burruyacu, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-05-16 01:38:37 Time when the event occurred. UTC/GMT
Updated 2018-05-16 02:05:21 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.9 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.952 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 50 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000e618 Id of event.
Event Code 1000e618 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000e618, A comma-separated list of event ids that are associated to an event.

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